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List of Scientific Instrument

Sl. No.DescriptionInstrument Name
21. An instrument used for relative density of milk is called? Lactometer
22. An instrument used for magnified view of very small objects is called? Microscope
23. An apparatus used in submarines for viewing objects lying above the eye level of the observer is called? Periscope
24. An instrument used for comparing the luminous intensity of two sources of light is called? Photometer
25. An instrument used to measure high temperature is called? Pyrometer
26. An instrument used to measure Rainfall is called? Rain Gauge
27. An instrument used for recording the intensity and origin of earthquakes shocks is called? Siesmograph
28. An instrument used for measuring angular distance between two objects is called? Sextant
29. An instrument used for measuring speed of the vehicle is called? Speedometer
30. An apparatus used for converting high voltage to low and vice-versa is called? Transformer
31. An instrument that continuously records a barometer's reading of atmospheric pressure. Barograph
32. An instrument used to measure infrared, or heat, radiation. Bolometer
33. An instrument used for measuring growth in plants. Crescograph
34. An instrument used for tracing movement of heart. Cardiograph
35. A clock that keeps very accurate time and determines longitude of a vessel at sea. Chronometer
36. An instrument used to examine internal parts of the body. Endoscope
37. A glass tube for measuring volumes changes in the chemical reactions between gases. Eudiometer
38. A machine for reproducing recorded sound. Gramophone
39. An instrument used to measure the moisture content or the humidity of air or any gas. Hygrometer
40. A microphone designed to be used underwater for recording or listening to underwater sound. Hydrophone


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